Home / 19,493.34-26,902.35-11,109.66

Finding the Fourth Proportional to 19,493.34, 26,902.35 and 11,109.66

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Solution

The fourth proportional to 19,493.34, 26,902.35 and 11,109.66 is: 15,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.34 : 26,902.35 = 11,109.66 : x
  2. Step 2: Convert to fraction form
    19,493.34/26,902.35 = 11,109.66/x
  3. Step 3: Cross multiply
    19,493.34x = 26,902.35 × 11,109.66
  4. Step 4: Simplify right side
    19,493.34x = 298,875,961.70
  5. Step 5: Solve for x
    x = 298,875,961.70/19,493.34
  6. Step 6: Final answer
    x = 15,332.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.